Mouse wrote:

> Hi ALL,
>
> Does anyone know if it is possible (by SMS'ing a GSM code type
> arrangement) to change the diversion (forwarding) number on an
> unattended mobile telephone. Do I have to have an application
> on the phone to facilitate this? Any info/ideas would be
> great.

I seriously doubt it's possible, for security reasons alone.

Another aspect is that the diversions are not held on the phone
- they're part of your configuration data on the network
itself. For that reason, you may have noticed that you can't
change diversions when there's no coverage.

Changing diversions using the phone's menu system attempts an
immediate "supplementary services" data session with the
network. So because networks have absolutely no requirement to
modify diversion parameters on users handsets, I doubt that a
specific GSM port number has been allocated to facilitate this.
If it were possible, technical specification 3GPP 23.040 would
provide the mechanism (section 9.2.3.24.3 or 9.2.3.24.4).

John